如果关于x的方程无解，则m=（）-八年级数学

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• 解方程-八年级数学
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• 解方程的结果是[]A.B.C.D.无解-八年级数学
• 解方程：-八年级数学
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• 关于x的方程+2(a≠b)的解为[]A．x=a-bB．x=a+bC．x=2abD．x=b-a-八年级数学
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